Editing Multimedia Formats and Tools

This page is intended to move here all info about multimedia file formats that is commonly used in other wiki pages and the related PC tools

A lot more fileformats not added yet to the page are listed in: http://www.psdevwiki.com/ps3/XMB_database#Promoter

See also [[Game Modding]]

=Image=

TIFF 6.0 Specification:

*http://partners.adobe.com/public/developer/en/tiff/TIFF6.pdf

*[http://www.vitadevwiki.com/index.php?title=Template:IFD_format IFD format]

*[http://www.vitadevwiki.com/index.php?title=Template:IFD_tag IFD tag]

==BMP==
http://en.wikipedia.org/wiki/BMP_file_format

==DDS==
Direct Draw Surface (DDS) are used for example on [[XMB_Manuals|XMB Manuals]]

*http://en.wikipedia.org/wiki/DirectDraw_Surface
*http://en.wikipedia.org/wiki/S3_Texture_Compression
*http://msdn.microsoft.com/en-us/library/bb943991.aspx

Header:

{| class="wikitable" style="text-align: center;"
|-
| style="background-color:#444453; color:#FFFFFF;" |'''Offset'''
| style="background-color:#444453; color:#FFFFFF;" |'''Size'''
| style="background-color:#444453; color:#FFFFFF;" |'''Example'''
| style="background-color:#444453; color:#FFFFFF;" |'''Value (conversion)''' 
| style="background-color:#444453; color:#FFFFFF;" |'''Notes'''
|-
|colspan="5" style="text-align:center; background-color:lightblue;" | <span style="color:black;">DDS header</span>
|-
| 0x00 || 0x04 || 44 44 53 20 || "DDS " || Magic
|-
| 0x04 || 0x04 || 7C 00 00 00 || 124  || Size of header stucture
|-
| 0x08 || 0x04 || 07 10 08 00 || compressed no mipmap || Flags:
*0x01: DDSD_CAPS (Required in every .dds file)
*0x02: DDSD_HEIGHT (Required in every .dds file)
*0x04: DDSD_WIDTH (Required in every .dds file)
*0x08: DDSD_PITCH (Required when pitch is provided for an uncompressed texture)
*0x0010: DDSD_PIXELFORMAT (Required in every .dds file)
*0x000002: DDSD_MIPMAPCOUNT (Required in a mipmapped texture)
*0x000008: DDSD_LINEARSIZE (Required when pitch is provided for a compressed texture)
*0x000080: DDSD_DEPTH (Required in a depth texture)
|-
| 0x0C || 0x04  || 38 04 00 00 || 1080 || Surface height (in pixels).
|-
| 0x10 || 0x04  || 80 07 00 00 || 1920 || Surface width (in pixels).
|-
| 0x14 || 0x04  || 00 D2 0F 00 || 1012.5KB || Size:
*the pitch or number of bytes per scan line in an uncompressed texture
*the total number of bytes in the top level texture for a compressed texture
|-
| ... || ...  || ... || ... || ...
|-
|}


'''DDS normal maps'''

Normal maps are a 3D effect, the word "normal" is a reference to the Y axis (of the 3D space defined by X,Y,Z axis), is also known as "elevation". Normal maps can make small areas of a surface to be displayed with a displacement up or down, they also reacts to the lights of the scene dinamycally

'''NVIDIA Normal Map filter plugin for photoshop'''

The NVIDIA Normal Map filter creates normal maps from grayscale height maps. The filter UI provides a powerful 3D preview and a variety of filtering options. For MIP-mapped normal maps, the NormalMap Filter should be used for preview only, and then the grayscale map exported via the DDS plugin with "Normal Map Settings..." enabled. This will create a normal map with maximal detail and fidelity for all texture levels, without undesirable filter aliasing.

An easy way to create normal maps in photoshop by using the Normal Map plugin:
 In tab: Filter ---> Ndivia Tools
 -height generation - 7x7 / minZ-0 scale-2.2
 -3D view options - animate light
 -height source - Average RGB (or "Alpha Channel" in case you created an alpha channel with this purpose)
 -Alpha field - height

Normal Map Tutorial (using photoshop and crazybump) http://www.youtube.com/watch?v=tKqKJi6nh7A

'''DDS Cube Maps'''
*http://en.wikipedia.org/wiki/Cube_mapping

'''DDS Tools'''
*Gimp DDS plugin http://code.google.com/p/gimp-dds/
*Gimp Normal Map Plugin http://code.google.com/p/gimp-normalmap/
*Photoshop DDS plugin https://developer.nvidia.com/nvidia-texture-tools-adobe-photoshop Tutorial: http://www.youtube.com/watch?v=B_SpdM5cLuQ (in spanish)
*3DS Max DDS Plugin https://developer.nvidia.com/content/3ds-max-dds-plugin-1008271100
*NVIDIA WTV (windows texture viewer) http://www.nvidia.com/object/windows_texture_viewer.html
*NVIDIA DDS Thumbnail Viewer for windows explorer https://developer.nvidia.com/sites/default/files/akamai/tools/files/DDS_viewer.exe
*NVIDIA DDS Legacy Texture Tools https://developer.nvidia.com/legacy-texture-tools and https://developer.nvidia.com/sites/default/files/akamai/tools/files/DDS_Utilities_8.31.1127.1645.exe (includes a command line texture converter)
*Crazybump is a quick and easy tool for creating normal maps from a texture. http://www.crazybump.com/ Tutorial: http://iamsparky.wordpress.com/crazybump/
*DDS Converter 2 by Yannick Bluehair Leon http://www.nexusmods.com/oblivion/mods/8698
*nvdxt.exe (extracted from nvidia legacy tools installation) https://www.sendspace.com/file/8ru1va
*DXTViewer http://www.ozone3d.net/dxt_viewer.php

==DXT==
*http://www.fsdeveloper.com/wiki/index.php?title=DXT_compression_explained
*http://files.wayforward.com/shane/rgbv/ (RGBV Texture Compression in DuckTales: Remastered)

The DXT compressed textures always have the same size. This is because they have a fixed compression ratio.

Used on PS2 classic as manual, they are texture files (DXT1, no mipmap?) with a minimalistic header of 0x08 byte (width*height)

For viewing them on computer, you can rebuild/create/paste (from an .dds dxt1 no mipmap existing file) an header following .dds header specs:
 
*On your dxt files, remove the first 0x08 bytes (which has the width and height hexadecimal information), insert on top of it the .dds header. Edit the .dds header, see the .dds section, to get the proper width, height, and texture size)

Sample: http://rghost.net/58928544 (.dxt files are original, .dxt.dds are edited for viewing)

e.g. (quick note, should be move to emulation/PS2 page once figure out)
 001.dxt -->  256KB -->instruction screen: 544*960? (Surface height (in pixels).*Surface width (in pixels).)
 002.dxt -->  256KB -->information screen: *544*960?
 003.dxt --> 1441KB -->game manual: 1536*1920?
 ...
 008.dxt --> 1441KB -->end of the game manual
 009.dxt -->  256KB -->Notice screen: 544*960?

==GIM==
Graphics Image ?

Used inside [[Resource_Container_(RCO)]] files

Can be converted back and forth to png/jpg/bmp... with gimconv (included in [[rcomage]])

===GimConv.exe===
There are several versions of this tool, included in the PSP theme tools released by sony, some of the versions seems to be have locked features that was available before and others are new features added

The version used as an standard unofficially is the one included in rcomage that uses a configuration file (named GimConv.cfg) initially edited by Zinga Burga to improve compatibility with rcomage, and later to add compatibility with ps3 rco's (there are some specific settings for ps3 that was added at some point, but now can be considered incorrect for ps3, or not generic enought)

The command line help of GimConv.exe gives a very limited explain of a few options (the ones at top are not real options, are more like groups of presets)
 C:\rcomage-v1.1.1\GimConv>GimConv.exe
 gimconv ver 1.20h --- generic picture converter
 Copyright (C) 2006 Sony Computer Entertainment Inc.
  All Rights Reserved.
 
 usage:
        gimconv <input files> [options]
 
 options:
        -o <filename>   specify output file name
        -s <w,h>        resize image data
        -P              resize image data to a power of two
        -N              output in normal (not faster) pixel storage format
        -X              swap RGBA <-> ABGR
        -ps3            output ps3 style GIM
        -bpp<n>         color output bit depth; n is: 4, 8, 16, 16p, 16a or 32
                        4, 8 are indexed; 16, 16a, 16p, 32 are RGBA format
 
        -S              output text format
        -interact       input additional options
        -pictures       merge files as pictures
        -frames         merge files as frames
        -levels         merge files as levels
        -prompt         prompt always
        -warning        prompt on warning
        -error          prompt on error

The options that appears in the help of the command line what does is to load the real settings from GimConv.cfg, where all the options are listed and is posible to specify his default values, to change the groups of settings (for specific combinations of options like the option '''-ps3'''), is also the only place where is posible to see all the different settings availables of the tool


{{Boxcode|content=<syntaxhighlight lang="c">
//================================================================
//  gimconv configuration
//================================================================

// configuration modified by ZiNgA BuRgA for use with Rcomage
// modifying this script may cause Rcomage not to function properly
// when performing GIM conversions (though I expect you know this
// already if you're looking at this file)

usage {
	puts "usage:"
	puts "        gimconv <input files> [options]"
	puts ""
	puts "options:"
	puts "        -o <filename>   specify output file name"
	puts "        -s <w,h>        resize image data"
	puts "        -P              resize image data to a power of two"
	puts "        -N              output in normal (not faster) pixel storage format"
	puts "        -X              swap RGBA <-> ABGR"
	puts "        -ps3            output ps3 style GIM"
	puts "        -bpp<n>         color output bit depth; n is: 4, 8, 16, 16p, 16a or 32"
	puts "                        4, 8 are indexed; 16, 16a, 16p, 32 are RGBA format"
	puts ""
	puts "        -S              output text format"
	puts "        -interact       input additional options"
	puts "        -pictures       merge files as pictures"
	puts "        -frames         merge files as frames"
	puts "        -levels         merge files as levels"
	puts "        -prompt         prompt always"
	puts "        -warning        prompt on warning"
	puts "        -error          prompt on error"
}

//----------------------------------------------------------------
//  default settings
//----------------------------------------------------------------

default {
	load "lib/*"

	//  main control

	interact_mode = off		// off on ctrl
	merge_mode = off		// off picture frame level plane
					// image palette sequence
	prompt_mode = off		// off on warning error
	output_object = on		// off on
	output_script = off		// off on
	output_directory = auto		// current input auto
	output_filename = ""
	object_extension = .gim
	script_extension = .gis
	userdata_extension = .dat
	glob_extension = .dds .tm2 .tga .bmp .avi
	object_viewer = ""

	//  process control

	filter_script = "Filter"
	image_size = default		// default pow2 $w,$h
	pixel_order = faster		// default normal faster
	pixel_alpha = default		// default $alpha
	pixel_channel = default		// default rgba rgab ragb ... etc
	image_format = default		// default rgba8888 rgba4444 rgba5551 rgba5650
					// index4 index8 index16 index32
					// dxt1 dxt3 dxt5 dxt1ext dxt3ext dxt5ext
	palette_format = default	// default rgba8888 rgba4444 rgba5551 rgba5650
	update_userdata = default	// default off on
	update_fileinfo = off		// default off on

	check_limit = on		// off on
	limit_image_width = 512	// off $count
	limit_image_height = 512	// off $count
	limit_level_count = 8		// off $count
	limit_frame_count = off		// off $count

	//  output control

	format_style = psp		// std psp ps3
	format_endian = little		// little big

	output_image = on		// off on
	output_palette = on		// off on
	output_sequence = off		// off on

	extend_edge = off
}

//--------------------------------------------------------
//  format specific
//--------------------------------------------------------

input *.avi {
	pixel_alpha = 255
}

input *.bmp {
	pixel_alpha = 255
}

input *.dds {
}

input *.tga {
}

input *.tm2 {
}

input *.gim {
}

input *.gis {
}

//--------------------------------------------------------
//  mode option
//--------------------------------------------------------

option -interact {
	interact_mode = on
}

option -pictures {
	merge_mode = picture
}

option -frames {
	merge_mode = frame
}

option -levels {
	merge_mode = level
}

option -planes {
	merge_mode = plane
}

option -images {
	merge_mode = image
}

option -palettes {
	merge_mode = palette
}

option -sequences {
	merge_mode = sequence
}

option -prompt {
	prompt_mode = on
}

option -warning {
	prompt_mode = warning
}

option -error {
	prompt_mode = error
}

//--------------------------------------------------------
//  process option
//--------------------------------------------------------

option -o %filename {
	output_filename = %filename
}

option -s %size {
	image_size = %size
}

option -g %ext {
	glob_extension = %ext
}

option -P {
	image_size = pow2
}

option -N {
	pixel_order = normal
}

option -ps3 {
	format_style = ps3
	format_endian = big
}

option -bpp4 {
	image_format = index4
}
option -bpp8 {
	image_format = index8
}
option -bpp16 {
	image_format = rgba5551
}
option -bpp16a {
	image_format = rgba4444
}
option -bpp16p {
	image_format = rgba5650
}
option -bpp32 {
	image_format = rgba8888
}

//--------------------------------------------------------
//  PS3 OSD specific options
//--------------------------------------------------------

option -X {
	pixel_channel = abgr
}

option -E {
	extend_edge = on
}

//--------------------------------------------------------
//  output option
//--------------------------------------------------------

option -S {
	output_object = off
	output_script = on
}

//--------------------------------------------------------
//  filter script
//--------------------------------------------------------

script Filter %target {
	RescaleImage   %target $image_size
	SetPixelFormat %target $image_format $palette_format
	SetPixelAlpha  %target $pixel_alpha
	SwapPixelChannel %target $pixel_channel
	ConfigureImage %target order $pixel_order
	UpdateUserData %target $update_userdata
	UpdateFileInfo %target $update_fileinfo
	ExtendEdge     %target $extend_edge
	CheckPSP       %target $check_limit
}
</syntaxhighlight>}}

The option '''-ps3''' seems to be wrong, the images inside [[explore_plugin]]_full.rco from firmware 4.70 has been made by using this 3 options

{{Boxcode|content=<syntaxhighlight lang="c">
option -ps3 {
	format_style = psp
	format_endian = big
	pixel_order = normal
}
</syntaxhighlight>}}

You can edit the GimConv.cfg file and use GimConv.exe to load the group of options by the option '''-ps3''' in command line this way (or let rcomagegui.exe decide, but im not sure what it does)
{{Keyboard|content='''gimconv.exe tex_psn.png -o tex_psn.gim --ps3'''}}

Another way is by specifying the options strictly from command line (using the names that appears inside the GimConv.cfg file)

This is the most accurate way to specify options for GIM conversion, it doesnt uses groups but the result is the same, in this example is a command for gimconv.exe directly
{{Keyboard|content='''gimconv.exe tex_psn.png -o tex_psn.gim --format_style psp --format_endian big --pixel_order normal'''}}

But there is other way, by "redirecting" GIM settings from rcomage.exe ---to---> gimconv.exe at compiling time (see the "compile" help in [[rcomage]] page). There are 2 options in rcomage specific for this task, named: '''--gimconv-cmd''' and '''--gimconv-flags'''
{{Keyboard|content=rcomage.exe ...}}
<!-- rcomage.exe compile explore_plugin_full.xml explore_plugin_full.rco --pack-hdr zlib --zlib-method default --zlib-level 9 ...INCOMPLETE_IS_MISSING_GIM_SETTINGS-->
<!-- and i cant make this 2 options work, is driving me nuts, grrr -->

*Other stuffing
**GimConv 1.20h http://endlessparadigm.com/forum/showthread.php?tid=5054 (speculation about animated images support)

==GMO==
Graphics... ?

Used inside [[Resource_Container_(RCO)]] files

==GTF==
'''G'''raphics '''T'''exture '''F'''ormat (GTF) is a container for storing one or multiple textures ("pack GTF") data in a layout that can be used as is by [[RSX]].

Header (for single texture):

{| class="wikitable" style="text-align: center;"
|-
| style="background-color:#475446; color:#FFFFFF;" |'''Offset'''
| style="background-color:#475446; color:#FFFFFF;" |'''Size'''
| style="background-color:#475446; color:#FFFFFF;" |'''Example'''
| style="background-color:#475446; color:#FFFFFF;" |'''Value (conversion)''' 
| style="background-color:#475446; color:#FFFFFF;" |'''Notes'''
|-
|colspan="5" style="text-align:center; background-color:lightblue;" | <span style="color:black;">GTF header</span>
|-
| 0x00 || 0x04 || 02 02 00 FF ||  || Version
|-
| 0x04 || 0x04 ||  ||  || Size of texture (not included header)
|-
| 0x08 || 0x04 || 00 00 00 01 ||  || Number of textures embedded
|-
| 0x0C || 0x04 || 00 00 00 00  ||  || Not used?
|-
|colspan="5" style="text-align:center; background-color:lightblue;" | <span style="color:black;">GTF specification</span>
|-
| 0x10 || 0x04 || 00 00 00 80 ||  || Size Header
|-
| 0x14 || 0x04  ||  ||  || 
*For V.02 02: Size file (without header & ending padding)
|-
| 0x18 ||  ||  ||  ||
|-
| 0x19 ||  ||  ||  ||
|-
| 0x1A ||  ||  ||  ||
|-
| 0x1B ||  ||  ||  ||
|-
| 0x1C || 0x04 ||  ||  || Remaps:
|-
|colspan="5" style="text-align:center; background-color:lightblue;" | <span style="color:black;">DDS specification</span>
|-
| 0x20 || 0x02  || 00 40 || 64 in decimal || Size image width
|-
| 0x22 || 0x02  || 00 40 || 64 in decimal || Size image height
|-
| 0x24 || 0x02  || 00 00 ||  0 in decimal || Size image depth
|-
|}

==JPG==
http://en.wikipedia.org/wiki/JPEG

JPEG markers:

*http://www.digicamsoft.com/itu/itu-t81-36.html

==MPO==
Is a 3D JPG embedded format by Fuji or Sony. 
Since [[3.70_CEX|fw 3.70]] with specifics sixasis controls (on PlayMemories but also from XMB), PS3 as well as Nintendo 3DS or some Sony & Fuji camera can read MPO images as specific format.

On the Sony MPO format Multi Angle : the picture is 15 embedded Jpg Exif images with no padding (but can be modulate probably).

The MPO MA for 3DS is Fuji format?

MPO Splitter by Christian Steinruecken:
*http://cstein.kings.cam.ac.uk/~chris/mposplit/

==PNG==
PS3 supports PNG images in 24 bits (for RGB channels), and 32 bits with transparency (24 bits for RGB channels + 8 bits for an alpha layer). "PNG Interlaced" and "APNG (Animated Portable Network Graphics)" formats are not supported by the PS3.

==TGA==
http://en.wikipedia.org/wiki/Truevision_TGA

=Audio=

==AC3==
Used for [[Coldboot.raf|coldboot]] sounds

==AT3==
'''A'''daptive '''T'''ransform '''A'''coustic '''C'''oding (ATRAC) is a family of proprietary audio compression algorithms developed by Sony. 

Can be created by saving the file as a '''.WAV''' container using the '''ATRAC3''' Codec @ 66Kbps.

Mono and stereo channels are supported

==AT9==

*[http://www.psdevwiki.com/ps4/Snd0.at9 Snd0.at9]

==VAG==

*Format

{| class="wikitable" style="text-align: center;"
|-
| style="background-color:#564147; color:#FFFFFF;" |'''Offset'''
| style="background-color:#564147; color:#FFFFFF;" |'''Size'''
| style="background-color:#564147; color:#FFFFFF;" |'''Example'''
| style="background-color:#564147; color:#FFFFFF;" |'''Value (conversion)''' 
| style="background-color:#564147; color:#FFFFFF;" |'''Notes'''
|-
|colspan="5" style="text-align:center; background-color:lightblue;" | <span style="color:black;">VAG header</span>
|-
| 0x00 || 0x04 || 56 41 47 70 || "VAGp" || Magic
|-
| 0x04 || 0x04 || 00 00 00 06 || 0.6? || Version
|-
| 0x08 || 0x04 || 00 00 00 00 || - || Reserved area
|-
| 0x0C || 0x04 || 00 00 04 50 || 1104 bytes || Waveform data size (bytes)
|-
| 0x10 || 0x04 || 00 00 BB 80 || 44 000 Hz || Sampling Frequency (Hz)
|-
| 0x14 || 0x0A || 00 00 ... 00 00 || - || Reserved area
|- 
| 0x1E || 0x01 || 00 || 1 ch || Number of channels
*0-1 : 1 channel
*2 : 2 channels
|- 
| 0x1F || 0x01 || 00 || - || Reserved area
|- 
| 0x20 || 0x10 || 53 45 30 34 5F 42 61 63 6B  || SE04_BACK || Name
|-
|colspan="5" style="text-align:center; background-color:lightblue;" | <span style="color:black;">Waveform data starts</span>
|-
|}


{| class="wikitable"
|+ style="background-color:#50434D; color:#FFFFFF;" |'''ADPCM data format'''
(16 bytes block)
|-
| style="text-align:center; background-color:lightblue; color:#FFFFFF;" |'''Decoding coefficient'''
(1 byte)
| style="text-align:center; background-color:lightblue; color:#FFFFFF;" |'''Loop information''' 
(1 byte)
| style="text-align:center; background-color:lightblue; color:#FFFFFF;" |'''Sound Data'''
(14 bytes)
|-
| Decoding coefficient
|| Loop information:
*1: last block of the file
*3: ending block of the loop
*6: starting block of the loop
*7: playback ending position
<small>Because ADPCM uses sample blocks that are aligned one after the other, a wave compressed with ADPCM may have an unfinished, partial block at its end. The ADPCM decoder generates silence for the remainder of this partial block, which keeps the wave from looping seamlessly.</small>
|| Sound data
|-
|}


*Tools
**MFAudio v1.1 (converts WAV to VAG): http://www.zophar.net/utilities/ps2util/mfaudio-1-1.html or http://dl.qj.net/software/utilities/mfaudio-11.html or http://downloads.ziddu.com/downloadfile/3353225/MFAudiov11.zip.html

=Video=

==PAM==
Pam files can contain audio or have the audio separwted in a .AT3 track, used in [[Content Information Files]]

=Interactive=

==SWF==
Shockwave Flash, used in [[Content Information Files]] and [[Widgets]] and some games (e.g.: Doki Doki unverse)
*Irfanview supported format

=3D/OpenGL=

==DAE==
DAE ('''D'''igital '''A'''sset '''E'''xchange) is an XML file that contains COLLADA content. COLLADA is an open standard created by sony for interactive 3D applications. Is used to export and import files from 3-D authoring applications in .dae format, see: https://collada.org/

Collada usually is implemented as a plugin, some 3-D authoring applications supporting collada are: [http://www.blender.org/ Blender], Google SketchUp, Maya, Rhino, 3D Max, SoftImage

*Collada plugins for:
**Blender http://colladablender.illusoft.com/ http://sourceforge.net/projects/colladablender/

==FPO==

==VPO==

==MNU==

=Playlists=

==M3U8==

=Tools & Tips=

*Audio:

 '''Audacity:''' The tool can be used to record live audio, record computer playback, 
 edit WAV, AIFF, FLAC, MP2, MP3 or  Ogg Vorbis sound files, cut, copy, 
 splice or mix sound together and also change the speed or pitch of a  
 recording, plus a number of other useful features.
 http://audacity.sourceforge.net/

 '''Wavosaur:''' is a cool free sound editor, audio editor, wav editor software for editing, 
 processing and recording sounds, wav and mp3 files. Wavosaur has all the features 
 to edit audio (cut, copy, paste, etc.) produce music loops, analyze, record, batch convert.
 Wavosaur supports VST plugins, ASIO driver, multichannel wav files, real time effect processing.
 http://www.wavosaur.com/

*Image:

 '''Irfanview:''' View, convert, batch processing ...
 http://www.irfanview.com/ (there is a plugin for .DDS)

 '''Imagemagick:''' Create, edit, compose, or convert bitmap images
 http://www.imagemagick.org (typically utilized from the command line)

*2D animation

 '''animata:''' an open source real-time animation software, designed to create animations, 
 interactive background projections for concerts, theatre and dance performances.
 http://animata.kibu.hu/ 

*3D Modeling:

    '''Maya''' - http://www.autodesk.com/Maya
    '''3ds Max''' - http://usa.autodesk.com/3ds-max/
    '''Blender''' - http://www.blender.org/
    '''Wings3D''' - http://www.wings3d.com/
    '''Modo''' - http://www.luxology.com/modo/

*Texturing:

    '''Photoshop''' - http://www.photoshop.com/
    '''Paint.NET''' - http://www.getpaint.net/
    '''GIMP''' - http://www.gimp.org/

*Tutorials and Online Digital Communities:

    http://www.polycount.com/forum
    http://forums.cgsociety.org/
    http://www.3dbuzz.com
    http://3d-coat.com/forum/
    http://www.cgfeedback.com/cgfeedback/
    https://forums.station.sony.com/playerstudio



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